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<code>repl</code> incorrectly evaluates <code>UInt128.max</code>

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

triage neededThis issue needs more specific labelsThis issue needs more specific labels

Status: Open.

#84263 In swiftlang/swift;

· MahdiBM opened on Sep 12, 2025

Compiler doesn't recognize existing conformance to marker protocol in conditional cast

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

triage neededThis issue needs more specific labelsThis issue needs more specific labels

Status: Open.

#84254 In swiftlang/swift;

· fritzt0 opened on Sep 12, 2025

[RBI] Data race safety hole

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

triage neededThis issue needs more specific labelsThis issue needs more specific labels

Status: Open.

#84249 In swiftlang/swift;

· jamieQ opened on Sep 12, 2025

Building a module for a non-ABI stable platform fails when Swift stdlib modules aren't built w/Library Evolution

build

library evolutionFeature: library evolution (umbrella feature for features that facilitate resilient libraries)Feature: library evolution (umbrella feature for features that facilitate resilient libraries)

Status: Open.

#84241 In swiftlang/swift;

· stmontgomery opened on Sep 11, 2025

New iOS 26 Observations is crashing with BAD_ACCESS

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

crashBug: A crash, i.e., an abnormal termination of softwareBug: A crash, i.e., an abnormal termination of software

triage neededThis issue needs more specific labelsThis issue needs more specific labels

Status: Open.

#84228 In swiftlang/swift;

· josh-arnold-1 opened on Sep 11, 2025

Hoist the shared flags for the supplemental libraries

build

runtimeThe Swift RuntimeThe Swift Runtime

task

Status: Open.

#84227 In swiftlang/swift;

· compnerd opened on Sep 11, 2025

Crash: Assertion failed: (isLValue() &amp;&amp; "This isn't an lvalue")

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

crashBug: A crash, i.e., an abnormal termination of softwareBug: A crash, i.e., an abnormal termination of software

triage neededThis issue needs more specific labelsThis issue needs more specific labels

Status: Open.

#84222 In swiftlang/swift;

· alexandrerochette opened on Sep 11, 2025

Documentation: AsyncStream(unfolding:onCancel:) closures must be @Sendable but docs don't show this

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

triage neededThis issue needs more specific labelsThis issue needs more specific labels

Status: Open.

#84202 In swiftlang/swift;

· ole opened on Sep 10, 2025

swift-frontend crashes attempting to build <code>SyntaxVisitor</code> subclass

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

crashBug: A crash, i.e., an abnormal termination of softwareBug: A crash, i.e., an abnormal termination of software

triage neededThis issue needs more specific labelsThis issue needs more specific labels

Status: Open.

#84192 In swiftlang/swift;

· dfed opened on Sep 10, 2025

Error compiling Swift Testing's tests with 6.2 toolchain on Windows

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

move-onlyFeature → type declarations: Move-only type declarationsFeature → type declarations: Move-only type declarations

swift 6.2

WindowsPlatform: WindowsPlatform: Windows

Status: Open.

Bug

#84184 In swiftlang/swift;

· grynspan opened on Sep 9, 2025

Use path prefix remapping for debug info generation on Windows

build

task

WindowsPlatform: WindowsPlatform: Windows

Status: Open.

#84183 In swiftlang/swift;

· compnerd opened on Sep 9, 2025

Adjust embedded manifest on Windows tools

build

WindowsPlatform: WindowsPlatform: Windows

Status: Open.

#84182 In swiftlang/swift;

· compnerd opened on Sep 9, 2025